Topic B: Making Change
When you make change, your first goal is to get a number that ends in 0 or 5. For example, if you bought something for $4, the first thing to do would be to get to $5. Check out Example A below.
Example A
Example B
$23 to $25
To get from $23 to $25, you would need 1 toonie.
Example C
$55 to $60
To get from $55 to $60, you would need 1 five dollar bill.
Exercise 1
Circle the number of coins or bills you would need to get from the first number to the second number. Make sure to use the least number of coins or bills. Check your work using the answer key at the end of the exercise.
a. $33 to $35
b. $48 to $50
c. $16 to $20
e. $10 to $15
f. $35 to $40
h. $85 to $90
i. $60 to $70
j. $90 to $100
k. $30 to $40
l. $40 to $50
m. $30 to $50
n. $70 to $80
o. $80 to $100
p. $45 to $50
q. $21 to $25
r. $55 to $60
s. $45 to $50
t. $40 to $50
u. $70 to $80
Answers to Exercise 1
- 1 toonie
- 1 toonie
- 2 toonies
- 1 toonie
- 1 $5 bill
- 1 $5 bill
- 1 $5 bill
- 1 $5 bill
- 1 $10 bill
- 1 $10 bill
- 1 $10 bill
- 1 $10 bill
- 1 $20 bill
- 1 $10 bill
- 1 $20 bill
- 1 $5 bill
- 2 toonies
- 1 $5 bill
- 1 $5 bill
- 1 $10 bill
- 1 $10 bill
Exercise 2
State the number and kind of coins and bills you would need to get from the first number to the second number. Make sure you use the least number of coins and bills as possible.
Example: $56 to $60. You require 2 toonies to get to $60.
- $28 to $30
- $35 to $40
- $90 to $100
- $32 to $50
- $54 to $55
- $30 to $50
- $65 to $70
- $45 to $50
- 1 toonie
- 1 $5 bill
- 1 $10 bill
- 1 $10 bill, 1 $5 bill, 1 toonie, and 1 loonie
- 1 loonie
- 1 $20 bill
- 1 $5 bill
- 1 $5 bill
Example D
| Need | To get to |
|---|---|
| 1 toonie | $30 |
| 1 $20 bill | $50 |
Example E
| Need | To get to |
|---|---|
| 2 toonies | $40 |
| 1 $10 bill | $50 |
Example F
| Need | To get to |
|---|---|
| 1 toonie | $65 |
| 1 $5 bill | $70 |
| 1 $10 bill | $80 |
Exercise 3
State the number and kind of coins and bills you would need to get from the first number to the second number. Make sure you use the least number of coins and bills as possible. Check your work using the answer key at the end of the exercise.
Example:
| Need | To get to |
|---|---|
| 1 loonie | $68 |
| 1 toonie | $70 |
| 1 $10 bill | $80 |
-
$26 to $40 Need To get to -
$47 to $60 Need To get to -
$69 to $80 Need To get to -
$18 to $20 Need To get to -
$34 to $50 Need To get to -
$51 to $60 Need To get to -
$78 to $100 Need To get to -
$82 to $100 Need To get to -
$93 to $100 Need To get to -
$3 to $10 Need To get to
Answers to Exercise 3
-
$26 to $40 Need To get to 2 toonies $30 1 $10 bill $40 -
$47 to $60 Need To get to 1 loonie $48 1 toonie $50 1 $10 $60 -
$69 to $80 Need To get to 1 loonie $70 1 $10 bill $80 -
$18 to $20 Need To get to 1 toonie $20 -
$34 to $50 Need To get to 2 toonies $40 1 $10 bill $50 -
$51 to $60 Need To get to 2 toonies $55 1 $5 bill $60 -
$78 to $100 Need To get to 1 toonie $80 1 $20 bill $100 -
$82 to $100 Need To get to 1 loonie $83 1 tooni